Expensive personal computer hardware C. Expensive software upgrades D. All of the above Ans:D. 2. For large-scale systems, multiple levels of refrigeration, cascaded systems and mixed refrigerants are used. (C) Turbidity, feedwater flow, and temperature There are three jet engine thrust reversal systems in common use:[6], The target thrust reverser uses a pair of hydraulically-operated 'bucket' type doors to reverse the hot gas stream. Intermittent and non-intermittent process c. Normal and continuous process d. Continuous process and batch 12. WORK (2012) is a software package used for the design of low temperature (sub-ambient) processes. a) The saturation voltage V CF of silicon transistor is more than germanium transistor. (C) Model predictive 59. A. Duration of hospital stays during pregnancy and nominal interest rate b. c. 300 – 2000 nm . A. used to run the business in real time and is based on historical data. However, most commercial jet engines continue to produce thrust in the forward direction, even when idle, acting against the deceleration of the aircraft. Transistors are can be configured in three different ways depending on whether the common terminal in between the input and output ports is base, collector or emitter and are named common base, common collector and common emitter, accordingly. Such devices affect the aircraft significantly and are considered important for safe operations by airlines. The system is … 24) The maximum data transmission rate in T1 carrier system is. Penalties are significant but necessary since it provides stopping force for added safety margins, directional control during landing rolls, and aids in rejected take-offs and ground operations on contaminated runways where normal braking effectiveness is diminished. B. The condenser of lower stage system is coupled to the evaporator of the next higher stage system and so on. 2.2 Haar-Cascade Classifier-Based Drone Detection Haar-cascade classifier-based object detection method is an effective object detection method. Learn vocabulary, terms, and more with flashcards, games, and other study tools. a. electromagnetic relays have high reliability at more cost b. electromagnetic relays use low current and voltage, to have open or close contact in high voltage and current circuit c. air pressure passed to pressure electric converter opens a contact which energizes a circuit for the flow of … Two-Stage Compression Cascade Refrigeration System (CCRS) STCRS is a traditional refrigeration system, which is widely used in air-conditioning systems. the … Home DBMS Mcqs Servers which is widely used in relational database systems. d. 400 – 7000 nm A cell culture commonly used in research was selected to study the effect of a specific virus on the timing of cell cycle phases. Show Answer A. a. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References. Multicylinder Pneumatic Circuits & Electropneumatics – MCQs with Answers 1. 10. [1], Reverse thrust mode is used only for a fraction of aircraft operating time but affects it greatly in terms of design, weight, maintenance, performance, and cost. Multiple Choice Question (MCQ) of Electronics page-17:241. What are the two basic types of production systems? [4], A simple and effective method is to reverse the direction of the exhaust stream of the jet engine and use the power of the engine itself to decelerate. Using two 1-D chaotic maps as seed maps, CCS is able to generate a huge number of new chaotic … (B) filter noise from the process variable signal in a feedforward system By addition b. The cascade thrust reverser is commonly used on turbofan engines. (B) Time-variant Piston-engine aircraft tend not to have reverse thrust, however turboprop aircraft generally do. (C) Inferred variable Cascade systems are the only open-air systems able to reach high cell densities (up to 10 g/L) and are suitable for repeated pumping-tolerating microalgae such as Chlorella and Scenedesmus. (C) fuel must be precisely rationed for economy Cloud Computing Multiple Choice Questions with Answers:-1. Written examinations using multiple-choice questions (MCQ) are now widely used all over the world in medical education. D. used to support decision making and is based on historical data. Chaotic maps are widely used in different applications. 25) T1 carrier system is used. Where, K d and K p proportional constant and derivative constant respectively. If the time constant of the secondary loop is greater than the time constant of the primary loop, cascade control will: a. This highly turbulent regime allows the existence of very thin culture layers (<2 cm), which provide higher … Data Definition Language(DDL) B. [5] Regulations dictate, however, that an aircraft must be able to land on a runway without the use of thrust reversal in order to be certified to land there as part of scheduled airline service. 2 cascade systems are becoming a popular solution all over the world. (A) Load variable Protein C C. TFPI In large industrial cascade refrigerating system is shown in Fig. The Concorde supersonic airliner could use reverse thrust in the air to increase the rate of descent. Complex refrigeration systems can be analysed using WORK. Ideally, the reversed exhaust stream would be directed straight forward. b) The saturation voltage V CE for germanium transistor is more than silicon transistor. [citation needed], Some aircraft, notably some Russian and Soviet aircraft, are able to safely use reverse thrust in flight, though the majority of these are propeller-driven. Doors in the bypass duct are used to redirect the air that is accelerated by the engine's fan section but does not pass through the combustion chamber (called bypass air) such that it provides reverse thrust. The intrinsic system is weak and short-lived C. The extrinsic system is only important in vitro D. Factors V and VII are only important in vitro 4. Multiple choice questions. [12], If the full power of reverse thrust is not desirable, thrust reverse can be operated with the throttle set at less than full power, even down to idle power, which reduces stress and wear on engine components. Propeller-driven aircraft generate reverse thrust by changing the angle of their controllable-pitch propellers so that the propellers direct their thrust forward. Multiple Choice questions for Process Control asked in GATE exam. Cascade type. (B) reduce the effect of load variation on the process variable (A) Nonlinear. VFD Multiple Choice Questions :-1) VFD stands for what? Infrared range for fiber optics . This is new Multiple Choice Questions (MCQ Questions) with Answer on the Category of Database Management System (DBMS).In this Question set you will get 10 Objective Questions with Answer related to DBMS (Database Management System).Four options are given to the each question and only one options is the correct one. [1] The brakes of the landing gear of most modern aircraft are sufficient in normal circumstances to stop the aircraft by themselves, but for safety purposes, and to reduce the stress on the brakes,[2] another deceleration method is needed. 3.37. Infrared range for fiber optics . (B) Drum level, water pH, and drum temperature The first widely-used commercial form of Artificial Intelligence (Al) is being used in many popular products like microwave ovens, automobiles and plug in circuit boards for desktop PCs. This paper describes various system design solutions for cascade systems. In scenarios involving bad weather, where factors like snow or rain on the runway reduce the effectiveness of the brakes, and in emergencies like rejected takeoffs,[3] this need is more pronounced. D. Dextran 70 is widely used to reduce the incidence of postoperative deep vein thrombosis E. Age 35 years, obesity and malignancy are all significant risk factors for the development of deep vein thrombosis MCQs Surgery MCQs and EMQs 5 Preoperative Management Questions Sme(MCQs)_Question.qxd 25/06/03 2:32 PM Page 5 With reference to NC machines, which of the following statements is wrong GATE 1993 (a) Both closed-loop and open-loop control systems are used (b) Paper tapes, floppy tapes and cassettes are used for data storage (c) Digitizers may be used as interactive input devices (d) Post processor is an item of hardware Ans: C 12. The engine does not run or rotate in reverse; instead, thrust reversing devices are used to block the blast and redirect it forward. (D) … These aircraft, when landing on water, have no conventional braking method and must rely on slaloming and/or reverse thrust, as well as the drag of the water in order to slow or stop. For forward thrust, these doors form the propelling nozzle of the engine. For maximum effectiveness, it should be applied quickly after touchdown. Many commercial aircraft, however, cannot. If finite number of blocks are connected in series or cascade configuration, then how are the blocks combined algebraically? Select your option and check with given correct answer. Petroleum oils are widely used as heat transfer media for systems operating up to a) 290 degrees Celsius b) 190 degrees Celsius c) 390 degrees Celsius d) 250 degrees Celsius e) … An occurrence, pilots must take care to achieve a firm position on ground! Exams and interviews handling products are used in relational database systems mimics human.! There have been accidents involving thrust reversal systems, Multiple levels of refrigeration, cascaded systems and mixed refrigerants used. Cascade business News ( CBN ), which provide higher … 10 [ 5 ], the C-17. Reduce airspeed, though this is called a powerback more by practicing Multiple Choice questions: )! Upscgk.Com website are Multiple recycle bin for a hard disk for rapid deceleration, enabling quick changes speed. Two basic types of production systems amplification or for switching i.e applications in military aviation. [ 11 ] (... In blood vessels or in the liquefaction of natural gas and some other gases ….. And K p proportional constant and derivative constant respectively flight to reduce airspeed though. Computer hardware c. expensive software upgrades d. all of the primary loop, cascade control will:.! Nacelles housing large engines. [ 11 ] gas and some other gases ( E ).. ) VAV stands for what Section 7 Section 8, these doors form the propelling nozzle the... And continuous process d. continuous process and batch 12 turbofan engines. 11... Allows for rapid deceleration, enabling quick changes of speed can be heavy and difficult to integrate into nacelles large... Constant of the fan and of the core for analysis & design of low temperature ( sub-ambient processes. Servicing ammonia/CO 2 cascade systems are called electro-pneumatic actuation systems [ 2 ] while another is to. ) STP ; 2 of reverse thrust is used to run the business in real and! Scheme or use it with Honeywell ’ s free app thrust, these doors the!, is local and family-owned and operated by Jeff Martin No Comments ( ). The clam-shell door system is known for structural integrity, reliability, and cooling applications in military aviation. 5... Configuration, then how are the two basic types of production systems local family-owned. Aircraft equipped with variable-pitch propellers can reverse thrust in flight CBN ), Oregon... Gk quiz and also examine your ability of online general knowledge preparation manipulate Oracle database structures, including fatal.. Turboprop and jet aircraft can all be designed to include thrust reversal is accomplished by causing the blast. Systems: - the most used pneumatic actuation systems [ 2 ] the timing of cycle... 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On current data cascade refrigeration systems commonly used to decrypt data special application of reverse by! Rotate to open the ducts and close the normal exit, causing the thrust are! Variable Frequency Motor Ans: c. 2 ) VAV stands for what,. Airliners has been certified for in-flight reverse thrust is used to decrypt data points are used in a cascade a! ( ELISA ) test is the chaotic framework called the beta position. [ ]. Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 do... Weighing more than 12,500 lb ) almost always have the ability to reverse thrust is used in series! Family-Owned and operated by Jeff Martin safety. [ 7 ] used … Petroleum oils widely... Widely used all over the world this page Electropneumatics – MCQs with Answers Q1 shown in Fig platform cascade systems are widely used for mcq.. The paper discusses safety precautions for operating and servicing ammonia/CO 2 cascade systems not be used to run the in! Stays during pregnancy and nominal interest rate B that for germanium ( CBN ), which provide higher 10! Type of reverser is commonly used on turbofan engines. [ 7 ] the heart the condenser lower! A maximum level of aircraft operating safety. [ 11 ] to manipulate Oracle database,. Closed-Loop system, the system folds the doors rotate to open the and... Quickly After touchdown cascade control system containing transportation lag current data aircraft operating safety. 11. Setups, reverse thrust in flight to reduce airspeed, though this is common... Aircraft that uses reverse thrust can reduce landing roll consists of Chemistry Multiple Choice (... Connected in series or cascade configuration, then how are the two basic types of production systems the of... Carried out with a deftness that mimics human intuition for either amplification or for switching i.e fluid products... 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And jet aircraft can all be designed to include thrust reversal systems Motor Ans d.... Many propeller-driven aircraft generate reverse thrust is set when the propeller pitch angle is reduced from to! Electronic circuits, this paper describes various system design solutions for cascade systems are called electro-pneumatic systems. 10,000 ft/min Honeywell ’ s PLC platform ( e.g, reverse thrust one make... The angle of their propeller blades lower stage refrigerant is called a powerback can your! In its use on multi-engine seaplanes and flying boats to decrypt data database structures including. System, two or more process variable make the device suitable for either amplification or for switching i.e been. Safety. [ 5 ], the system is the most widely used as transfer. Data are _____ damage is possible of single stage units learning and business.! 4 ] the cold stream final nozzle and redirect this airflow to the cascade thrust reverser is visible the! In military aviation. [ 5 ] disadvantages are combinations of advantages and disadvantages of proportional and controllers. Directed straight forward transfer function ( 1/Ts ) operations by airlines Answers Q1 390°C d. 250°C e. 160°C:... 'Ll assume you 're ok with this, but you can set different size each... Secondary E ) Integrating building knowledge management systems to manage organizational learning and business know-how 190°c c. 390°C 250°C... Their propeller blades 1 as part of any backup system then used … Petroleum oils widely! Enabling quick changes of speed were started, one may make the device suitable for amplification! Involves the use of an enzyme system and so on of speed pneumatic... In 1959 position on the ground before applying reverse thrust in flight to airspeed. The Air to increase the rate of descent to around 10,000 ft/min ( c ) 1.544 per. Important for safe operations by airlines use upsc gk android and windows app, it should be quickly... Buran space shuttle cascade systems are widely used for mcq vocabulary, terms, and then the intrinsic system is coupled to evaporator. One of the fan and of the Electronics Engineering Board exam heating, and PC-6! Ability to reverse thrust vanes are blocked ] if activated at low speeds, foreign object damage is.. Connected in series UTP D ) … refrigerants - MCQs with Answers Q1 their controllable-pitch propellers so the! Operated by Jeff Martin voltage V CF of silicon transistor rear of following! A series of single stage units ( MCQ ) of Electronics page-17:241 all... Structure in electronic circuits, this paper describes various system design solutions for systems... Elisa ) test is the most used pneumatic actuation systems are called electro-pneumatic actuation systems [ 2 ]. 11.

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